(function($){
	$(".pic").mouseover(function(e){
		$(this).children('.mask').css('visibility','visible');
		$(this).children('.mask').stop().animate({width:'264px'}, "normal")
	}).mouseout(function(e){
		$(this).children('.mask').stop().animate({width:'0px'}, "normal")
		$(this).children('.mask').css('visibility','hidden');
	})
})(jQuery)